TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
*15. HF radio set (AN/ARC-199) - Check as follows:
a. Transmitter-interphone
selector
(audio
control panel) - No. 5 position.
b. RADIO MON -5 switch - ON.
c. HF/VOW switch (instrument panel) - HF.
d. Frequency - Select test frequency (or
channel).
e. Volume - Set as desired.
f.
Squelch - Set as desired.
g. Transmit power - Set as
K11
desired.
h. Tuning mode - Initiate as required: Tuning
sequence should last no more than 3 sec.
i.
Establish communications with
K10
ground station at least 150 miles distant on
at least three frequencies (one each from
the lower, middle and upper frequency
ranges).
Establish
two
way
communications
on
AM
and,
when
possible, on USB and LSB. Obtain signal
quality reports from the other station and
note received signal quality.
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